Sulfide (S) Back Catalog number: 54239 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 53037 Calibration Standard Mix 5 Price on request 1981.12-K-MEX5 Tri-n-butyltin chloride, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-5, Cas.no. 1461-22-9 Price on request 673410 Phosmet, 10.0 µg/ml, Acetonitrile, 10ml Price on request